Patents by Inventor Geoffrey R. Owen

Geoffrey R. Owen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Compositions for removing human cerumen
    Publication number: 20040126436
    Abstract: Compositions for assisting in the removal of human cerumen are disclosed. The compositions may include bicarbonate and an otologically acceptable vehicle; a cerumenolytically acceptable enzyme and an otologically acceptable vehicle; or bicarbonate, a cerumenolytically acceptable enzyme, and an otologically acceptable vehicle.
    Type: Application
    Filed: November 10, 2003
    Publication date: July 1, 2004
    Inventors: Gerald D. Cagle, Geoffrey R. Owen, Nuria Jimenez Ridruejo, G. Michael Wall
  • Method of cleaning contact lenses using carbon dioxide and carbonic acid
    Patent number: 6273960
    Abstract: Methods for cleaning soiled contact lenses are disclosed. The methods involve contacting the soiled lens with a cleaning composition comprising carbon dioxide and carbonic acid as cleansing agents. The cleaning compositions do not require abrasive agents such as polymeric beads, nor ocularly irritating agents such as enzymes or surfactants in order to effectively clean proteinaceous and nonproteinaceous deposits from the surface of contact lenses.
    Type: Grant
    Filed: September 12, 2000
    Date of Patent: August 14, 2001
    Assignee: Alcon Manufacturing Ltd.
    Inventors: Rajkumar Bhatia, Alok K. Kulshreshtha, Geoffrey R. Owen, Yusuf Ali
  • Use of carbon dioxide and carbonic acid to clean contact lenses
    Patent number: 6171404
    Abstract: Simple, efficacious, easily manufacturable, convenient to use and cost-effective contact lens care cleaning compositions comprising carbon dioxide and carbonic acid as cleansing agents are disclosed. The compositions do not require abrasive agents such as polymeric beads, nor ocularly irritating agents such as enzymes or surfactants in order to effectively clean proteinaceous and nonproteinaceous deposits from the surface of contact lenses. Also disclosed is a one-step cleaning and disinfecting regimen, whereby an effervescent tablet composition capable of generating carbon dioxide and carbonic acid is dissolved in a disinfecting solution or rinsing/disinfecting/storage solution.
    Type: Grant
    Filed: April 22, 1999
    Date of Patent: January 9, 2001
    Assignee: Alcon Laboratories, Inc.
    Inventors: Rajkumar Bhatia, Alok K. Kulshreshtha, Geoffrey R. Owen, Yusuf Ali
  • Azolyl alkylthioureas and guanidines alkylaminonitroethylene compounds
    Patent number: 4440775
    Abstract: The compounds are novel N-substituted-N'-heterocyclic alkylthioureas, guanidines and 1-nitro-2,2-diaminoethylene compounds which are histamine H.sub.2 -antagonists.
    Type: Grant
    Filed: June 18, 1982
    Date of Patent: April 3, 1984
    Assignee: Smith Kline & French Laboratories Limited
    Inventors: Graham J. Durant, Charon R. Ganellin, Geoffrey R. Owen, Rodney C. Young
  • Pyridyl alkylthiourea and alkylamino-nitroethylene
    Patent number: 4347250
    Abstract: The compounds are novel N-substituted-N'-heterocyclic alkylthioureas, guanidines and 1-nitro-2,2-diaminoethylene compounds which are histamine H.sub.2 -antagonists.
    Type: Grant
    Filed: September 2, 1980
    Date of Patent: August 31, 1982
    Assignee: Smith Kline & French Laboratories Limited
    Inventors: Graham J. Durant, Charon R. Ganellin, Geoffrey R. Owen, Rodney C. Young
  • Blocking histamine H.sub.2 -receptors with imidazolylalkyl guanidine derivatives
    Patent number: 4333946
    Abstract: The compounds are novel N-substituted-N'-heterocyclic alkylthioureas, guanidines and 1-nitro-2,2-diaminoethylene compounds which are histamine H.sub.2 -antagonists.
    Type: Grant
    Filed: January 29, 1981
    Date of Patent: June 8, 1982
    Assignee: Smith Kline & French Laboratories Limited
    Inventors: Graham J. Durant, Charon R. Ganellin, Geoffrey R. Owen, Rodney C. Young
  • Imidazole alkylthiourea compounds
    Patent number: 4276301
    Abstract: The compounds are novel N-substituted-N'-heterocyclic alkylthioureas, guanidines and 1-nitro-2,2-diaminoethylene compounds which are histamine H.sub.2 -antagonists.
    Type: Grant
    Filed: August 27, 1979
    Date of Patent: June 30, 1981
    Assignee: Smith Kline & French Laboratories Limited
    Inventors: Graham J. Durant, Charon R. Ganellin, Geoffrey R. Owen, Rodney C. Young
  • Pyridyl alkylguanidines
    Patent number: 4247558
    Abstract: The compounds are novel N-substituted-N'-heterocyclic alkylthioureas, guanidines and 1-nitro-2,2-diaminoethylene compounds which are histamine H.sub.2 -antagonists.
    Type: Grant
    Filed: May 2, 1979
    Date of Patent: January 27, 1981
    Assignee: Smith Kline & French Laboratories Limited
    Inventors: Graham J. Durant, Charon R. Ganellin, Geoffrey R. Owen, Rodney C. Young
  • Imidazolyl alkylamino nitroethylene compounds
    Patent number: 4192879
    Abstract: The compounds are novel N-substituted-N'-heterocyclic alkylthioureas, guanidines and 1-nitro-2,2-diaminoethylene compounds which are histamine H.sub.2 -antagonists.
    Type: Grant
    Filed: March 31, 1978
    Date of Patent: March 11, 1980
    Assignee: Smith Kline & French Laboratories Limited
    Inventors: Graham J. Durant, Charon R. Ganellin, Geoffrey R. Owen, Rodney C. Young
  • Thiazole and isothiazole derivative as blockers of histamine H.sub.2 -receptors
    Patent number: 4166856
    Abstract: The compounds are novel N-substituted-N'-heterocyclic alkylthioureas, guanidines and 1-nitro-2,2-diaminoethylene compounds which are histamine H.sub.2 -antagonists.
    Type: Grant
    Filed: March 31, 1978
    Date of Patent: September 4, 1979
    Assignee: Smith Kline & French Laboratories Limited
    Inventors: Graham J. Durant, Charon R. Ganellin, Geoffrey R. Owen, Rodney C. Young
  • N-oxy and N-amino guanidines
    Patent number: 4160030
    Abstract: The compounds are N-oxy and N-amino guanidines which are histamine H.sub.2 -antagonists. A compound of this invention is N-hydroxy-N'-methyl-N"-[2-((4-methyl-5-imidazolyl)methylthio)ethyl]guanidi ne.
    Type: Grant
    Filed: February 22, 1978
    Date of Patent: July 3, 1979
    Assignee: Smith Kline & French Laboratories Limited
    Inventors: Graham J. Durant, Charon R. Ganellin, Geoffrey R. Owen